The Ronstan Series 50 & 60 RF51110 All Purpose Block Pulley.  The self-lubricating Acetal polymer sheaves running on polished stainless steel races perform equally well with dynamic and high static loads.  This block is the right choice for sheets, halyards and control line applications for cruising and racing. The Captive Lock allows it to be fixed in either of two planes or free to swivel.  A removable becket pin allowing the line to be spliced prior to fitting and is can be locked into position without the use of a clevis pin, split ring or tools. 

• Exceptionally high working loads
• Low maintenance, long service life
• Self-lubricating Acetal polymer sheave ensures low friction and extreme durability
• Captive Lock™ universal head
• Slotted pin shackle eliminates fouled lines
• Snap fit removable becket pin

Specifications:

• Sheave Ø: 50 mm
• Max. Rope Ø: 12 mm
• Pin Ø: 5 mm
• M.W.L. 750 kg
• B.L. 1500 kg
• Weight 134 g
• Material:
• Grade 316 stainless steel load strap and head fitting
• Impact and UV resistant, fibre reinforced Nylon cheeks

Applications:

• Mainsheet and halyard applications, vang and spinnaker control lines on boats to 10 m (33ft)
• S60 - on boats up to 12 m (40ft)

Item:

• Unused
• Only 7 left in stock